18214980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1449

約数の個数: 96

約数和(自身を含む): 60211200

約数和(自身を除く): 41996220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1399, 1860, 2170, 2604, 2798, 3255, 4197, 4340, 5596, 6510, 6995, 8394, 9793, 13020, 13990, 16788, 19586, 20985, 27980, 29379, 39172, 41970, 43369, 48965, 58758, 83940, 86738, 97930, 117516, 130107, 146895, 173476, 195860, 216845, 260214, 293790, 303583, 433690, 520428, 587580, 607166, 650535, 867380, 910749, 1214332, 1301070, 1517915, 1821498, 2602140, 3035830, 3642996, 4553745, 6071660, 9107490, 18214980]

約数ペア:

[(1, 18214980), (2, 9107490), (3, 6071660), (4, 4553745), (5, 3642996), (6, 3035830), (7, 2602140), (10, 1821498), (12, 1517915), (14, 1301070), (15, 1214332), (20, 910749), (21, 867380), (28, 650535), (30, 607166), (31, 587580), (35, 520428), (42, 433690), (60, 303583), (62, 293790), (70, 260214), (84, 216845), (93, 195860), (105, 173476), (124, 146895), (140, 130107), (155, 117516), (186, 97930), (210, 86738), (217, 83940), (310, 58758), (372, 48965), (420, 43369), (434, 41970), (465, 39172), (620, 29379), (651, 27980), (868, 20985), (930, 19586), (1085, 16788), (1302, 13990), (1399, 13020), (1860, 9793), (2170, 8394), (2604, 6995), (2798, 6510), (3255, 5596), (4197, 4340)]