18685170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:269

約数の個数: 144

約数和(自身を含む): 59754240

約数和(自身を除く): 41069070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 49, 57, 63, 70, 90, 95, 98, 105, 114, 126, 133, 147, 171, 190, 210, 223, 245, 266, 285, 294, 315, 342, 399, 441, 446, 490, 570, 630, 665, 669, 735, 798, 855, 882, 931, 1115, 1197, 1330, 1338, 1470, 1561, 1710, 1862, 1995, 2007, 2205, 2230, 2394, 2793, 3122, 3345, 3990, 4014, 4237, 4410, 4655, 4683, 5586, 5985, 6690, 7805, 8379, 8474, 9310, 9366, 10035, 10927, 11970, 12711, 13965, 14049, 15610, 16758, 20070, 21185, 21854, 23415, 25422, 27930, 28098, 29659, 32781, 38133, 41895, 42370, 46830, 54635, 59318, 63555, 65562, 70245, 76266, 83790, 88977, 98343, 109270, 127110, 140490, 148295, 163905, 177954, 190665, 196686, 207613, 266931, 296590, 327810, 381330, 415226, 444885, 491715, 533862, 622839, 889770, 983430, 1038065, 1245678, 1334655, 1868517, 2076130, 2669310, 3114195, 3737034, 6228390, 9342585, 18685170]

約数ペア:

[(1, 18685170), (2, 9342585), (3, 6228390), (5, 3737034), (6, 3114195), (7, 2669310), (9, 2076130), (10, 1868517), (14, 1334655), (15, 1245678), (18, 1038065), (19, 983430), (21, 889770), (30, 622839), (35, 533862), (38, 491715), (42, 444885), (45, 415226), (49, 381330), (57, 327810), (63, 296590), (70, 266931), (90, 207613), (95, 196686), (98, 190665), (105, 177954), (114, 163905), (126, 148295), (133, 140490), (147, 127110), (171, 109270), (190, 98343), (210, 88977), (223, 83790), (245, 76266), (266, 70245), (285, 65562), (294, 63555), (315, 59318), (342, 54635), (399, 46830), (441, 42370), (446, 41895), (490, 38133), (570, 32781), (630, 29659), (665, 28098), (669, 27930), (735, 25422), (798, 23415), (855, 21854), (882, 21185), (931, 20070), (1115, 16758), (1197, 15610), (1330, 14049), (1338, 13965), (1470, 12711), (1561, 11970), (1710, 10927), (1862, 10035), (1995, 9366), (2007, 9310), (2205, 8474), (2230, 8379), (2394, 7805), (2793, 6690), (3122, 5985), (3345, 5586), (3990, 4683), (4014, 4655), (4237, 4410)]