19784430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 55564704

約数和(自身を除く): 35780274

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 67, 85, 90, 102, 134, 153, 170, 193, 201, 255, 306, 335, 386, 402, 510, 579, 603, 670, 765, 965, 1005, 1139, 1158, 1206, 1530, 1737, 1930, 2010, 2278, 2895, 3015, 3281, 3417, 3474, 5695, 5790, 6030, 6562, 6834, 8685, 9843, 10251, 11390, 12931, 16405, 17085, 17370, 19686, 20502, 25862, 29529, 32810, 34170, 38793, 49215, 51255, 59058, 64655, 77586, 98430, 102510, 116379, 129310, 147645, 193965, 219827, 232758, 295290, 387930, 439654, 581895, 659481, 1099135, 1163790, 1318962, 1978443, 2198270, 3297405, 3956886, 6594810, 9892215, 19784430]

約数ペア:

[(1, 19784430), (2, 9892215), (3, 6594810), (5, 3956886), (6, 3297405), (9, 2198270), (10, 1978443), (15, 1318962), (17, 1163790), (18, 1099135), (30, 659481), (34, 581895), (45, 439654), (51, 387930), (67, 295290), (85, 232758), (90, 219827), (102, 193965), (134, 147645), (153, 129310), (170, 116379), (193, 102510), (201, 98430), (255, 77586), (306, 64655), (335, 59058), (386, 51255), (402, 49215), (510, 38793), (579, 34170), (603, 32810), (670, 29529), (765, 25862), (965, 20502), (1005, 19686), (1139, 17370), (1158, 17085), (1206, 16405), (1530, 12931), (1737, 11390), (1930, 10251), (2010, 9843), (2278, 8685), (2895, 6834), (3015, 6562), (3281, 6030), (3417, 5790), (3474, 5695)]