1916732740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{991}}^1$

素因数の和:1229

約数の個数: 96

約数和(自身を含む): 4465714176

約数和(自身を除く): 2548981436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 173, 215, 260, 346, 430, 559, 692, 860, 865, 991, 1118, 1730, 1982, 2236, 2249, 2795, 3460, 3964, 4498, 4955, 5590, 7439, 8996, 9910, 11180, 11245, 12883, 14878, 19820, 22490, 25766, 29756, 37195, 42613, 44980, 51532, 64415, 74390, 85226, 96707, 128830, 148780, 170452, 171443, 193414, 213065, 257660, 342886, 386828, 426130, 483535, 553969, 685772, 852260, 857215, 967070, 1107938, 1714430, 1934140, 2215876, 2228759, 2769845, 3428860, 4457518, 5539690, 7372049, 8915036, 11079380, 11143795, 14744098, 22287590, 29488196, 36860245, 44575180, 73720490, 95836637, 147440980, 191673274, 383346548, 479183185, 958366370, 1916732740]

約数ペア:

[(1, 1916732740), (2, 958366370), (4, 479183185), (5, 383346548), (10, 191673274), (13, 147440980), (20, 95836637), (26, 73720490), (43, 44575180), (52, 36860245), (65, 29488196), (86, 22287590), (130, 14744098), (172, 11143795), (173, 11079380), (215, 8915036), (260, 7372049), (346, 5539690), (430, 4457518), (559, 3428860), (692, 2769845), (860, 2228759), (865, 2215876), (991, 1934140), (1118, 1714430), (1730, 1107938), (1982, 967070), (2236, 857215), (2249, 852260), (2795, 685772), (3460, 553969), (3964, 483535), (4498, 426130), (4955, 386828), (5590, 342886), (7439, 257660), (8996, 213065), (9910, 193414), (11180, 171443), (11245, 170452), (12883, 148780), (14878, 128830), (19820, 96707), (22490, 85226), (25766, 74390), (29756, 64415), (37195, 51532), (42613, 44980)]