19036940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 46992960

約数和(自身を除く): 27956020

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 59, 65, 68, 73, 85, 118, 130, 146, 170, 221, 236, 260, 292, 295, 340, 365, 442, 590, 730, 767, 884, 949, 1003, 1105, 1180, 1241, 1460, 1534, 1898, 2006, 2210, 2482, 3068, 3796, 3835, 4012, 4307, 4420, 4745, 4964, 5015, 6205, 7670, 8614, 9490, 10030, 12410, 13039, 15340, 16133, 17228, 18980, 20060, 21535, 24820, 26078, 32266, 43070, 52156, 55991, 64532, 65195, 73219, 80665, 86140, 111982, 130390, 146438, 161330, 223964, 260780, 279955, 292876, 322660, 366095, 559910, 732190, 951847, 1119820, 1464380, 1903694, 3807388, 4759235, 9518470, 19036940]

約数ペア:

[(1, 19036940), (2, 9518470), (4, 4759235), (5, 3807388), (10, 1903694), (13, 1464380), (17, 1119820), (20, 951847), (26, 732190), (34, 559910), (52, 366095), (59, 322660), (65, 292876), (68, 279955), (73, 260780), (85, 223964), (118, 161330), (130, 146438), (146, 130390), (170, 111982), (221, 86140), (236, 80665), (260, 73219), (292, 65195), (295, 64532), (340, 55991), (365, 52156), (442, 43070), (590, 32266), (730, 26078), (767, 24820), (884, 21535), (949, 20060), (1003, 18980), (1105, 17228), (1180, 16133), (1241, 15340), (1460, 13039), (1534, 12410), (1898, 10030), (2006, 9490), (2210, 8614), (2482, 7670), (3068, 6205), (3796, 5015), (3835, 4964), (4012, 4745), (4307, 4420)]