19865730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:603

約数の個数: 64

約数和(自身を含む): 50512896

約数和(自身を除く): 30647166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 41, 62, 82, 93, 123, 155, 186, 205, 246, 310, 410, 465, 521, 615, 930, 1042, 1230, 1271, 1563, 2542, 2605, 3126, 3813, 5210, 6355, 7626, 7815, 12710, 15630, 16151, 19065, 21361, 32302, 38130, 42722, 48453, 64083, 80755, 96906, 106805, 128166, 161510, 213610, 242265, 320415, 484530, 640830, 662191, 1324382, 1986573, 3310955, 3973146, 6621910, 9932865, 19865730]

約数ペア:

[(1, 19865730), (2, 9932865), (3, 6621910), (5, 3973146), (6, 3310955), (10, 1986573), (15, 1324382), (30, 662191), (31, 640830), (41, 484530), (62, 320415), (82, 242265), (93, 213610), (123, 161510), (155, 128166), (186, 106805), (205, 96906), (246, 80755), (310, 64083), (410, 48453), (465, 42722), (521, 38130), (615, 32302), (930, 21361), (1042, 19065), (1230, 16151), (1271, 15630), (1563, 12710), (2542, 7815), (2605, 7626), (3126, 6355), (3813, 5210)]