19731573160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{12619}}^1$

素因数の和:12771

約数の個数: 128

約数和(自身を含む): 49866163200

約数和(自身を除く): 30134590040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 97, 104, 124, 130, 155, 194, 248, 260, 310, 388, 403, 485, 520, 620, 776, 806, 970, 1240, 1261, 1612, 1940, 2015, 2522, 3007, 3224, 3880, 4030, 5044, 6014, 6305, 8060, 10088, 12028, 12610, 12619, 15035, 16120, 24056, 25220, 25238, 30070, 39091, 50440, 50476, 60140, 63095, 78182, 100952, 120280, 126190, 156364, 164047, 195455, 252380, 312728, 328094, 390910, 391189, 504760, 656188, 781820, 782378, 820235, 1224043, 1312376, 1563640, 1564756, 1640470, 1955945, 2448086, 3129512, 3280940, 3911890, 4896172, 5085457, 6120215, 6561880, 7823780, 9792344, 10170914, 12240430, 15647560, 15912559, 20341828, 24480860, 25427285, 31825118, 37945333, 40683656, 48961720, 50854570, 63650236, 75890666, 79562795, 101709140, 127300472, 151781332, 159125590, 189726665, 203418280, 303562664, 318251180, 379453330, 493289329, 636502360, 758906660, 986578658, 1517813320, 1973157316, 2466446645, 3946314632, 4932893290, 9865786580, 19731573160]

約数ペア:

[(1, 19731573160), (2, 9865786580), (4, 4932893290), (5, 3946314632), (8, 2466446645), (10, 1973157316), (13, 1517813320), (20, 986578658), (26, 758906660), (31, 636502360), (40, 493289329), (52, 379453330), (62, 318251180), (65, 303562664), (97, 203418280), (104, 189726665), (124, 159125590), (130, 151781332), (155, 127300472), (194, 101709140), (248, 79562795), (260, 75890666), (310, 63650236), (388, 50854570), (403, 48961720), (485, 40683656), (520, 37945333), (620, 31825118), (776, 25427285), (806, 24480860), (970, 20341828), (1240, 15912559), (1261, 15647560), (1612, 12240430), (1940, 10170914), (2015, 9792344), (2522, 7823780), (3007, 6561880), (3224, 6120215), (3880, 5085457), (4030, 4896172), (5044, 3911890), (6014, 3280940), (6305, 3129512), (8060, 2448086), (10088, 1955945), (12028, 1640470), (12610, 1564756), (12619, 1563640), (15035, 1312376), (16120, 1224043), (24056, 820235), (25220, 782378), (25238, 781820), (30070, 656188), (39091, 504760), (50440, 391189), (50476, 390910), (60140, 328094), (63095, 312728), (78182, 252380), (100952, 195455), (120280, 164047), (126190, 156364)]