19913734.000000000

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{991}}^1$

素因数の和:1128

約数の個数: 108

約数和(自身を含む): 586587456

約数和(自身を除く): 389049444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 113, 126, 147, 196, 226, 252, 294, 339, 441, 452, 588, 678, 791, 882, 991, 1017, 1356, 1582, 1764, 1982, 2034, 2373, 2973, 3164, 3964, 4068, 4746, 5537, 5946, 6937, 7119, 8919, 9492, 11074, 11892, 13874, 14238, 16611, 17838, 20811, 22148, 27748, 28476, 33222, 35676, 41622, 48559, 49833, 62433, 66444, 83244, 97118, 99666, 111983, 124866, 145677, 194236, 199332, 223966, 249732, 291354, 335949, 437031, 447932, 582708, 671898, 783881, 874062, 1007847, 1343796, 1567762, 1748124, 2015694, 2351643, 3135524, 4031388, 4703286, 5487167, 7054929, 9406572, 10974334, 14109858, 16461501, 21948668, 28219716, 32923002, 49384503, 65846004, 98769006, 197538012]

約数ペア:

[(1, 197538012), (2, 98769006), (3, 65846004), (4, 49384503), (6, 32923002), (7, 28219716), (9, 21948668), (12, 16461501), (14, 14109858), (18, 10974334), (21, 9406572), (28, 7054929), (36, 5487167), (42, 4703286), (49, 4031388), (63, 3135524), (84, 2351643), (98, 2015694), (113, 1748124), (126, 1567762), (147, 1343796), (196, 1007847), (226, 874062), (252, 783881), (294, 671898), (339, 582708), (441, 447932), (452, 437031), (588, 335949), (678, 291354), (791, 249732), (882, 223966), (991, 199332), (1017, 194236), (1356, 145677), (1582, 124866), (1764, 111983), (1982, 99666), (2034, 97118), (2373, 83244), (2973, 66444), (3164, 62433), (3964, 49833), (4068, 48559), (4746, 41622), (5537, 35676), (5946, 33222), (6937, 28476), (7119, 27748), (8919, 22148), (9492, 20811), (11074, 17838), (11892, 16611), (13874, 14238)]