19797180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1493}}^1$

素因数の和:1535

約数の個数: 96

約数和(自身を含む): 63249984

約数和(自身を除く): 43452804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 1493, 2210, 2652, 2986, 3315, 4420, 4479, 5972, 6630, 7465, 8958, 13260, 14930, 17916, 19409, 22395, 25381, 29860, 38818, 44790, 50762, 58227, 76143, 77636, 89580, 97045, 101524, 116454, 126905, 152286, 194090, 232908, 253810, 291135, 304572, 329953, 380715, 388180, 507620, 582270, 659906, 761430, 989859, 1164540, 1319812, 1522860, 1649765, 1979718, 3299530, 3959436, 4949295, 6599060, 9898590, 19797180]

約数ペア:

[(1, 19797180), (2, 9898590), (3, 6599060), (4, 4949295), (5, 3959436), (6, 3299530), (10, 1979718), (12, 1649765), (13, 1522860), (15, 1319812), (17, 1164540), (20, 989859), (26, 761430), (30, 659906), (34, 582270), (39, 507620), (51, 388180), (52, 380715), (60, 329953), (65, 304572), (68, 291135), (78, 253810), (85, 232908), (102, 194090), (130, 152286), (156, 126905), (170, 116454), (195, 101524), (204, 97045), (221, 89580), (255, 77636), (260, 76143), (340, 58227), (390, 50762), (442, 44790), (510, 38818), (663, 29860), (780, 25381), (884, 22395), (1020, 19409), (1105, 17916), (1326, 14930), (1493, 13260), (2210, 8958), (2652, 7465), (2986, 6630), (3315, 5972), (4420, 4479)]