18693720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{911}}^1$

素因数の和:950

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 46970280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 911, 1026, 1080, 1140, 1368, 1710, 1822, 2052, 2280, 2565, 2733, 3420, 3644, 4104, 4555, 5130, 5466, 6840, 7288, 8199, 9110, 10260, 10932, 13665, 16398, 17309, 18220, 20520, 21864, 24597, 27330, 32796, 34618, 36440, 40995, 49194, 51927, 54660, 65592, 69236, 81990, 86545, 98388, 103854, 109320, 122985, 138472, 155781, 163980, 173090, 196776, 207708, 245970, 259635, 311562, 327960, 346180, 415416, 467343, 491940, 519270, 623124, 692360, 778905, 934686, 983880, 1038540, 1246248, 1557810, 1869372, 2077080, 2336715, 3115620, 3738744, 4673430, 6231240, 9346860, 18693720]

約数ペア:

[(1, 18693720), (2, 9346860), (3, 6231240), (4, 4673430), (5, 3738744), (6, 3115620), (8, 2336715), (9, 2077080), (10, 1869372), (12, 1557810), (15, 1246248), (18, 1038540), (19, 983880), (20, 934686), (24, 778905), (27, 692360), (30, 623124), (36, 519270), (38, 491940), (40, 467343), (45, 415416), (54, 346180), (57, 327960), (60, 311562), (72, 259635), (76, 245970), (90, 207708), (95, 196776), (108, 173090), (114, 163980), (120, 155781), (135, 138472), (152, 122985), (171, 109320), (180, 103854), (190, 98388), (216, 86545), (228, 81990), (270, 69236), (285, 65592), (342, 54660), (360, 51927), (380, 49194), (456, 40995), (513, 36440), (540, 34618), (570, 32796), (684, 27330), (760, 24597), (855, 21864), (911, 20520), (1026, 18220), (1080, 17309), (1140, 16398), (1368, 13665), (1710, 10932), (1822, 10260), (2052, 9110), (2280, 8199), (2565, 7288), (2733, 6840), (3420, 5466), (3644, 5130), (4104, 4555)]